Fix regression and clean up log files again

CHANGELOG.md

@@ -17,6 +17,8 @@ All notable changes to `src-cli` are documented in this file.
 
 ### Fixed
 
+- Log files created by `src campaigns [preview|apply]` are deleted again after successful execution. This was a regression and is not new behaviour. If steps failed to execute or the `-keep-logs` flag is set the log files are not cleaned up.
+
 ## 3.21.0
 
 ### Added

internal/campaigns/log.go

@@ -90,6 +90,11 @@ func (tl *TaskLogger) Close() error {
 	if tl.errored || tl.keep {
 		return nil
 	}
+
+	if err := os.Remove(tl.f.Name()); err != nil {
+		return errors.Wrapf(err, "cleaning up log file %s", tl.f.Name())
+	}
+
 	return nil
 }